Here are some account changes that have occurred to Rose Ltd. For each of the items, write in a few words what would have caused the changes and write a journal entry to account for them. 

1. Accounts receivable up $50 000; service revenue up $50 000. 

2. Wages expense up $2000; cash down $10 000; wages payable down $8000. 

3. Accounts payable up $4000, inventory up $4000. 

4. Cash down $6000, loan down $6000. 

5. Cash up $500, revenue received in advance up $500. 

6. Auditing expense up $3000, accounts payable up $2400, cash down $600. 

7. Equipment up $5200, share capital up $5200. 

8. Cash up $2400, accounts receivable up $6600, revenue up $9000, inventory down $4800, COGS expense up $4800.